71465754493 has 4 divisors (see below), whose sum is σ = 81675148000. Its totient is φ = 61256360988.

The previous prime is 71465754467. The next prime is 71465754499. The reversal of 71465754493 is 39445756417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39445756417 = 19 ⋅2076092443.

It is a cyclic number.

It is not a de Polignac number, because 71465754493 - 2²¹ = 71463657341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71465754499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5104696743 + ... + 5104696756.

It is an arithmetic number, because the mean of its divisors is an integer number (20418787000).

Almost surely, 2^71465754493 is an apocalyptic number.

It is an amenable number.

71465754493 is a deficient number, since it is larger than the sum of its proper divisors (10209393507).

71465754493 is a wasteful number, since it uses less digits than its factorization.

71465754493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209393506.

The product of its digits is 12700800, while the sum is 55.

The spelling of 71465754493 in words is "seventy-one billion, four hundred sixty-five million, seven hundred fifty-four thousand, four hundred ninety-three".